The report you requested requires further information

Solution:

ReportDocument docReport = new ReportDocument();

docReport.Load({report path});

string DBServer = {Database Server};

string DBName = {Database Name};

string DBUserName = {Database Server User};

string DBUserPass = {Database Server Password};

docReport.SetDatabaseLogon(DBUserName, DBUserPass, DBServer, DBName);

/* Use Datatable as Data Source, Don't apply Data Set */

docReport.SetDataSource(Dt);

rptViewAdmissionSlip.ReportSource = docReport;

rptViewAdmissionSlip.DataBind();